Extrinsic 48104-2

{
  "heartbeat": {
    "blockNumber": 48103,
    "sessionIndex": 801,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x86c9990d60c725ecbe00037507b6ca67a8b8219768e7459d685e4bb316b3e672fa7be8436040714c7f1d86624c2388808770ab16fce64491fb5f26b642836c87"
}